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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
| 8 #include "src/api.h" | 8 #include "src/api.h" |
| 9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
| 10 #include "src/base/once.h" | 10 #include "src/base/once.h" |
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| 3061 #undef ALLOCATE_MAP | 3061 #undef ALLOCATE_MAP |
| 3062 } | 3062 } |
| 3063 | 3063 |
| 3064 { // Empty arrays | 3064 { // Empty arrays |
| 3065 { | 3065 { |
| 3066 ByteArray* byte_array; | 3066 ByteArray* byte_array; |
| 3067 if (!AllocateByteArray(0, TENURED).To(&byte_array)) return false; | 3067 if (!AllocateByteArray(0, TENURED).To(&byte_array)) return false; |
| 3068 set_empty_byte_array(byte_array); | 3068 set_empty_byte_array(byte_array); |
| 3069 | 3069 |
| 3070 BytecodeArray* bytecode_array; | 3070 BytecodeArray* bytecode_array; |
| 3071 if (!AllocateBytecodeArray(0, nullptr).To(&bytecode_array)) { | 3071 AllocationResult allocation = |
| 3072 AllocateBytecodeArray(0, nullptr, kPointerSize); |
| 3073 if (!allocation.To(&bytecode_array)) { |
| 3072 return false; | 3074 return false; |
| 3073 } | 3075 } |
| 3074 set_empty_bytecode_array(bytecode_array); | 3076 set_empty_bytecode_array(bytecode_array); |
| 3075 } | 3077 } |
| 3076 | 3078 |
| 3077 #define ALLOCATE_EMPTY_EXTERNAL_ARRAY(Type, type, TYPE, ctype, size) \ | 3079 #define ALLOCATE_EMPTY_EXTERNAL_ARRAY(Type, type, TYPE, ctype, size) \ |
| 3078 { \ | 3080 { \ |
| 3079 ExternalArray* obj; \ | 3081 ExternalArray* obj; \ |
| 3080 if (!AllocateEmptyExternalArray(kExternal##Type##Array).To(&obj)) \ | 3082 if (!AllocateEmptyExternalArray(kExternal##Type##Array).To(&obj)) \ |
| 3081 return false; \ | 3083 return false; \ |
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| 3814 if (!allocation.To(&result)) return allocation; | 3816 if (!allocation.To(&result)) return allocation; |
| 3815 } | 3817 } |
| 3816 | 3818 |
| 3817 result->set_map_no_write_barrier(byte_array_map()); | 3819 result->set_map_no_write_barrier(byte_array_map()); |
| 3818 ByteArray::cast(result)->set_length(length); | 3820 ByteArray::cast(result)->set_length(length); |
| 3819 return result; | 3821 return result; |
| 3820 } | 3822 } |
| 3821 | 3823 |
| 3822 | 3824 |
| 3823 AllocationResult Heap::AllocateBytecodeArray(int length, | 3825 AllocationResult Heap::AllocateBytecodeArray(int length, |
| 3824 const byte* const raw_bytecodes) { | 3826 const byte* const raw_bytecodes, |
| 3827 int frame_size) { |
| 3825 if (length < 0 || length > BytecodeArray::kMaxLength) { | 3828 if (length < 0 || length > BytecodeArray::kMaxLength) { |
| 3826 v8::internal::Heap::FatalProcessOutOfMemory("invalid array length", true); | 3829 v8::internal::Heap::FatalProcessOutOfMemory("invalid array length", true); |
| 3827 } | 3830 } |
| 3828 | 3831 |
| 3829 int size = BytecodeArray::SizeFor(length); | 3832 int size = BytecodeArray::SizeFor(length); |
| 3830 HeapObject* result; | 3833 HeapObject* result; |
| 3831 { | 3834 { |
| 3832 AllocationResult allocation = AllocateRaw(size, OLD_SPACE, OLD_SPACE); | 3835 AllocationResult allocation = AllocateRaw(size, OLD_SPACE, OLD_SPACE); |
| 3833 if (!allocation.To(&result)) return allocation; | 3836 if (!allocation.To(&result)) return allocation; |
| 3834 } | 3837 } |
| 3835 | 3838 |
| 3836 result->set_map_no_write_barrier(bytecode_array_map()); | 3839 result->set_map_no_write_barrier(bytecode_array_map()); |
| 3837 BytecodeArray* instance = BytecodeArray::cast(result); | 3840 BytecodeArray* instance = BytecodeArray::cast(result); |
| 3838 instance->set_length(length); | 3841 instance->set_length(length); |
| 3842 instance->set_frame_size(frame_size); |
| 3839 CopyBytes(instance->GetFirstBytecodeAddress(), raw_bytecodes, length); | 3843 CopyBytes(instance->GetFirstBytecodeAddress(), raw_bytecodes, length); |
| 3840 | 3844 |
| 3841 return result; | 3845 return result; |
| 3842 } | 3846 } |
| 3843 | 3847 |
| 3844 | 3848 |
| 3845 void Heap::CreateFillerObjectAt(Address addr, int size) { | 3849 void Heap::CreateFillerObjectAt(Address addr, int size) { |
| 3846 if (size == 0) return; | 3850 if (size == 0) return; |
| 3847 HeapObject* filler = HeapObject::FromAddress(addr); | 3851 HeapObject* filler = HeapObject::FromAddress(addr); |
| 3848 if (size == kPointerSize) { | 3852 if (size == kPointerSize) { |
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| 6984 *object_type = "CODE_TYPE"; \ | 6988 *object_type = "CODE_TYPE"; \ |
| 6985 *object_sub_type = "CODE_AGE/" #name; \ | 6989 *object_sub_type = "CODE_AGE/" #name; \ |
| 6986 return true; | 6990 return true; |
| 6987 CODE_AGE_LIST_COMPLETE(COMPARE_AND_RETURN_NAME) | 6991 CODE_AGE_LIST_COMPLETE(COMPARE_AND_RETURN_NAME) |
| 6988 #undef COMPARE_AND_RETURN_NAME | 6992 #undef COMPARE_AND_RETURN_NAME |
| 6989 } | 6993 } |
| 6990 return false; | 6994 return false; |
| 6991 } | 6995 } |
| 6992 } // namespace internal | 6996 } // namespace internal |
| 6993 } // namespace v8 | 6997 } // namespace v8 |
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